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author | Vincent Ambo <tazjin@google.com> | 2019-07-04T10·18+0100 |
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committer | Vincent Ambo <tazjin@google.com> | 2019-07-04T10·18+0100 |
commit | f723b8b878a3c4a4687b9e337a875500bebb39b1 (patch) | |
tree | e85204cf042c355e90cff61c111e7d8cd15df311 /third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs | |
parent | 2eb1dc26e42ffbdc168f05ef744bd4b4f3e4c36f (diff) |
feat(third_party/bazel): Check in rules_haskell from Tweag r/17
Diffstat (limited to 'third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs')
-rw-r--r-- | third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs b/third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs new file mode 100644 index 000000000000..f9b741fb97ae --- /dev/null +++ b/third_party/bazel/rules_haskell/examples/vector/benchmarks/TestData/Random.hs @@ -0,0 +1,16 @@ +module TestData.Random ( randomVector ) where + +import qualified Data.Vector.Unboxed as V + +import System.Random.MWC +import Control.Monad.ST ( runST ) + +randomVector :: (Variate a, V.Unbox a) => Int -> IO (V.Vector a) +randomVector n = withSystemRandom $ \g -> + do + xs <- sequence $ replicate n $ uniform g + io (return $ V.fromListN n xs) + where + io :: IO a -> IO a + io = id + |